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Product comparison · 2 uninterruptible power supplies (upss)

Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA vs Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA

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  • 32specifications compared
  • 21differ
  • 11identical
  • 22known for one product only

Key differences

The Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA has 1,999 kVA more output power capacity than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (2000 kVA vs 1 kVA). The Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA has 300 W more output power than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (1200 W vs 900 W). The Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA has 80 V more input operation voltage (min) than the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA (170 V vs 90 V). UPS topology: Double-conversion (Online) on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Line-Interactive on the Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA. Waveform: Pure sine on the Dahua Technology DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA, Sine/Pure sine on the Dahua Technology PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA.

  • UPS topology
    • Double-conversion (Online)
    • Line-Interactive
  • Output power capacity
    • 1 kVA
    • 2000 kVA
  • Output power
    • 900 W
    • 1200 W
  • Waveform
    • Pure sine
    • Sine/Pure sine
  • Input operation voltage (min)
    • 90 V
    • 170 V
  • Input operation voltage (max)
    • 300 V
    • 280 V
  • Output frequency
    • 50 Hz
    • 50/60 Hz
  • Input power factor
    • 0.9
    • 0.6

Side by side

Differences highlightedShow differences only
54 specifications
A

Dahua Technology

DH-PFM3355-1000L uninterruptible power supply (UPS) Double-conversion (Online) 1 kVA

Model DH-PFM3355-1000L

View product
B

Dahua Technology

PFM3350-2000L uninterruptible power supply (UPS) Line-Interactive 2000 kVA

Model PFM3350-2000L

View product
Features9 differ
UPS topologyDiffersDouble-conversion (Online)Line-Interactive
Output power capacityDiffers1 kVA2000 kVA
Output powerDiffers900 W1200 W
WaveformDiffersPure sineSine/Pure sine
Input operation voltage (min)Differs90 V170 V
Input operation voltage (max)Differs300 V280 V
Input frequency50/60 Hz50/60 Hz
Output operation voltage (max)Known for one230 V
Output frequencyDiffers50 Hz50/60 Hz
Maximum currentKnown for one12 A
Response time4 ms4 ms
Input power factorDiffers0.90.6
Output power factorKnown for one0.9
Power protection featuresOverload, Overcharge, OverdischargeOverload, Overcharge, Overdischarge
Audible alarm(s)YesYes
Audible alarm modesDiffersAlarm when on battery, Overload alarm, Low battery alarm, FaultAlarm when on battery, Low battery alarm, Overload alarm, Fault, Battery replacement
Ports & interfaces1 differ
AC outlets quantityDiffers3 AC outlet(s)4 AC outlet(s)
USB 2.0 ports quantityKnown for one1
USB port typeKnown for oneUSB Type-B
RS-232 portsKnown for one1
Ethernet LAN (RJ-45) portsKnown for one1
Batteryidentical
Battery technologyLead-AcidLead-Acid
Battery voltageKnown for one72 V
Battery capacityKnown for one9 Ah
Number of batteries includedKnown for one2 pc(s)
Battery recharge timeKnown for one6 h
Charging currentKnown for one1 A
Design3 differ
Form factorKnown for oneRackmount
Product colourDiffersBlack, GreyBlack
Housing materialMetal, PlasticMetal, Plastic
Cable lengthDiffers1.5 m1.2 m
Cooling typeKnown for oneActive
Display typeDiffersLCDLED
LED indicatorsKnown for oneYes
Built-in fanKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-15 - 55 °C-15 - 55 °C
Operating relative humidity (H-H)0 - 90%0 - 90%
Storage relative humidity (H-H)0 - 90%0 - 90%
Packaging contentidentical
Rack mount kitKnown for oneYes
Cables includedKnown for oneRS-232, Input power cable
ManualYesYes
Certificatesidentical
CertificationKnown for oneCE LVD: EN IEC 62040-1: 2019+A11: 2021; CE EMC: EN IEC 62040-2: 2018; EN 62040-2: 2006; EN IEC 61000-3-2: 2019+A2: 2024; EN 61000-3-3: 2013+A2: 2021
Compliance certificatesKnown for oneCE
Weight & dimensions4 differ
WidthDiffers482.6 mm138.4 mm
DepthDiffers429.2 mm374.5 mm
HeightDiffers88 mm166.5 mm
WeightDiffers7.4 kg12.2 kg
Packaging data4 differ
Package widthDiffers570 mm195 mm
Package depthDiffers540 mm470 mm
Package heightDiffers185 mm255 mm
Package weightDiffers10.2 kg12.6 kg
Package typeKnown for oneBox
Poweridentical
Input current (max)Known for one9.5 A

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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